name the anion and the cation tahat constitute the molecule of calcium oxide
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Ca⁺⁺cation and O²⁻ anion constitute the molecule of calcium oxide.
- Calcium oxide is the oxide of calcium that is formed by the reaction of calcium atom with oxygen O₂ gas.
- 2Ca + O₂ (g) → 2CaO(s)
- On dissociation CaO dissociates into calcium ion ( Ca²⁺ cation), and oxygen ion ( O²⁻ anion).
- CaO → Ca²⁺ + O²⁻
- Calcium oxide is formed by an ionic bond that is between the calcium metal and the oxygen non-metal.
- This bond is formed by the loss of electrons by the calcium atom and the gain of electrons by the oxygen atom.
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